Vahagn is on the same powerlevel as Uriel and Svarog, but sadly, shouldn't be available in current MT.
Dakki can be nice if all you fight is Wind, but since I assume that you run Fire against everything, that means either Amaterasu for defensive purposes (that Blind can be a game changer especially when off-element) or Maid Amon to power up your Full Bursts and Burst Cycle.